:root {
      --navy: #0d1b2a;
      --navy-light: #1e3048;
      --white: #ffffff;
      --off-white: #f8f7f5;
      --border: #e5e3df;
      --text-muted: #8a8680;
      --accent: #0d1b2a;
      --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);

      /* ── Rethink Sans 타입 스케일 ─────────────────────────
         Label  : 10px / 400 / 0.12em / UPPERCASE
         Caption: 11px / 400 / 0
         Body   : 13px / 400 / 0
         Name   : 15px / 400 / -0.01em  (아티스트·저널·프로젝트 이름)
         Sub    : 20px / 500 / -0.02em  (서비스명·폼 제목)
         Section: clamp(26px,2.8vw,38px) / 500 / -0.02em
         Hero   : clamp(24px,3vw,42px)   / 400 / -0.02em
      ────────────────────────────────────────────────── */
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    html { scroll-behavior: smooth; }

    body {
      font-family: 'Rethink Sans', sans-serif;
      background: var(--white);
      color: var(--navy);
      font-weight: 400;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    /* ─── NAVIGATION ─── */
    nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 100;
      background: var(--white);
      border-bottom: 1px solid var(--border);
      height: 56px;
      display: flex;
      align-items: center;
      padding: 0 40px;
    }

    .nav-inner {
      width: 100%;
      max-width: 1440px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .nav-logo {
      font-size: 16px;
      font-weight: 700;
      letter-spacing: 0.1em;
      color: var(--navy);
      cursor: pointer;
      text-decoration: none;
      flex-shrink: 0;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
    }

    .nav-links a {
      font-size: 13px;
      font-weight: 400;
      letter-spacing: 0.12em;
      color: var(--navy);
      text-decoration: none;
      text-transform: uppercase;
      opacity: 0.65;
      transition: opacity var(--transition);
      cursor: pointer;
      white-space: nowrap;
    }

    .nav-links a:hover,
    .nav-links a.active {
      opacity: 1;
    }

    .nav-links a.active {
      border-bottom: 1px solid var(--navy);
      padding-bottom: 1px;
    }

    /* hamburger */
    .nav-hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      padding: 4px;
    }
    .nav-hamburger span {
      display: block;
      width: 22px;
      height: 1px;
      background: var(--navy);
      transition: var(--transition);
    }

    /* mobile nav drawer */
    .nav-drawer {
      display: none;
      position: fixed;
      top: 56px; left: 0; right: 0;
      background: var(--white);
      border-bottom: 1px solid var(--border);
      padding: 24px 40px 32px;
      z-index: 99;
      flex-direction: column;
      gap: 20px;
    }
    .nav-drawer.open { display: flex; }
    .nav-drawer a {
      font-size: 13px;
      font-weight: 400;
      letter-spacing: 0.16em;
      color: var(--navy);
      text-decoration: none;
      text-transform: uppercase;
      opacity: 0.72;
      cursor: pointer;
    }
    .nav-drawer a:hover { opacity: 1; }

    /* ─── PAGE WRAPPER ─── */
    #app {
      padding-top: 56px;
      min-height: 100vh;
    }

    .page {
      display: none;
      /* Note: no fill-mode so animation stacking context ends after 220ms,
         allowing footer z-index to compete with fixed lock overlay */
      animation: fadeIn 220ms ease;
    }
    .page.active { display: block; }

    @keyframes fadeIn {
      from { opacity: 0; }
      to   { opacity: 1; }
    }

    /* ─── SHARED ─── */
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 40px;
    }

    .page-header {
      padding: 80px 40px 60px;
      max-width: 1200px;
      margin: 0 auto;
      border-bottom: 1px solid var(--border);
    }

    .page-title {
      font-size: clamp(32px, 3.4vw, 46px);
      font-weight: 500;
      letter-spacing: -0.02em;
      line-height: 1.1;
      color: var(--navy);
    }

    /* 모든 레이블 / 카테고리 태그 공통 규칙 */
    .section-label,
    .hero-category,
    .signal-issue,
    .project-tag,
    .service-number,
    .ov-section-tag,
    .ov-advisory-num,
    .journal-category,
    .ov-journal-cat {
      font-size: 13px;
      font-weight: 400;
      letter-spacing: 0.11em;
      text-transform: uppercase;
      color: var(--text-muted);
    }

    .section-label { margin-bottom: 12px; }

    .divider {
      border: none;
      border-top: 1px solid var(--border);
    }

    /* ─── HOME ─── */
    .hero {
      position: relative;
      width: 100%;
      aspect-ratio: 16 / 7;
      background: var(--navy);
      overflow: hidden;
    }

    /* ── Hero Slideshow ── */
    .hero-track {
      display: flex;
      width: 100%;
      height: 100%;
      transition: transform 0.9s cubic-bezier(0.77, 0, 0.18, 1);
      will-change: transform;
    }

    .hero-slide {
      flex: 0 0 100%;
      position: relative;
      height: 100%;
      overflow: hidden;
    }

    .hero-slide-bg {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      transform: scale(1.04);
      transition: transform 6s ease;
    }

    .hero-slide.is-active .hero-slide-bg {
      transform: scale(1);
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(13,27,42,0.72) 0%, transparent 55%);
    }

    .hero-content {
      position: absolute;
      bottom: 40px;
      left: 48px;
      color: #fff;
    }

    .hero-category {
      color: rgba(255,255,255,0.85);
      margin-bottom: 10px;
    }

    .hero-headline {
      font-size: clamp(29px, 3.6vw, 51px);
      font-weight: 500;
      letter-spacing: -0.02em;
      line-height: 1.1;
      max-width: 560px;
    }

    .hero-sub {
      font-size: 13px;
      font-weight: 400;
      opacity: 0.6;
      margin-top: 10px;
      letter-spacing: 0.03em;
    }

    /* 텍스트 페이드 */
    .hero-slide .hero-content {
      opacity: 0;
      transform: translateY(12px);
      transition: opacity 0.7s ease 0.4s, transform 0.7s ease 0.4s;
    }
    .hero-slide.is-active .hero-content {
      opacity: 1;
      transform: translateY(0);
    }

    /* 도트 인디케이터 */
    .hero-dots {
      position: absolute;
      bottom: 20px;
      right: 40px;
      display: flex;
      gap: 8px;
      z-index: 10;
    }
    .hero-dot {
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: rgba(255,255,255,0.4);
      cursor: pointer;
      transition: background 0.3s, transform 0.3s;
    }
    .hero-dot.active {
      background: #fff;
      transform: scale(1.3);
    }

    /* 진행 바 */
    .hero-progress {
      position: absolute;
      bottom: 0;
      left: 0;
      height: 2px;
      background: rgba(255,255,255,0.6);
      width: 0%;
      transition: width linear;
      z-index: 10;
    }

    /* ─── HOME OVERVIEW ─── */
    .home-sections {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 40px;
    }

    /* 공통 섹션 행 — 스크롤 애니메이션 초기 상태 */
    .ov-row {
      display: grid;
      grid-template-columns: 140px 1fr;
      gap: 48px;
      align-items: start;
      padding: 52px 0;
      border-bottom: 1px solid var(--border);
      /* 초기 상태: 아래에서 대기 */
      opacity: 0;
      transform: translateY(22px);
      transition: opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1),
                  transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
    }

    /* 화면 안으로 진입 */
    .ov-row.is-visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* 화면 위로 지나감 */
    .ov-row.is-past {
      opacity: 0;
      transform: translateY(-12px);
      transition: opacity 0.4s ease-in,
                  transform 0.4s ease-in;
    }

    /* 행 전체 클릭 가능 */
    .ov-row[onclick] {
      cursor: pointer;
    }
    .ov-row[onclick]:hover {
      background: rgba(13, 27, 42, 0.018);
    }
    .ov-row[onclick]:hover .ov-section-tag {
      color: var(--navy);
    }

    /* 라벨 컬럼: 본문보다 살짝 늦게 나타남 */
    .ov-row.is-visible .ov-body { transition-delay: 0.08s; }

    /* 사라질 때는 즉각 반응 (delay 없음) */
    .ov-row.is-past .ov-label-col,
    .ov-row.is-past .ov-body { transition-delay: 0s; }

    .ov-label-col {
      padding-top: 3px;
    }

    .ov-section-tag {
      cursor: pointer;
      transition: color var(--transition);
    }
    .ov-section-tag:hover { color: var(--navy); }

    .ov-body {}

    .ov-headline {
      font-size: clamp(24px, 2.6vw, 36px);
      font-weight: 500;
      letter-spacing: -0.02em;
      line-height: 1.2;
      color: var(--navy);
      margin-bottom: 12px;
    }

    .ov-text {
      font-size: 16px;
      font-weight: 400;
      line-height: 1.8;
      color: var(--text-muted);
      max-width: 580px;
    }

    .ov-date {
      font-size: 13px;
      font-weight: 400;
      color: var(--text-muted);
      margin-bottom: 6px;
    }

    .read-more {
      display: inline-block;
      margin-top: 16px;
      font-size: 12px;
      font-weight: 400;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--navy);
      text-decoration: none;
      border-bottom: 1px solid var(--navy);
      padding-bottom: 2px;
      cursor: pointer;
    }

    /* ─── FOOTER ─── */
    footer {
      border-top: 1px solid var(--border);
      padding: 40px;
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      align-items: flex-start;
      gap: 80px;
      /* Ensure footer sits above the fixed artists/projects lock overlay (z-index: 10).
         background + position + z-index together occlude the lock overlay in the footer area. */
      position: relative;
      z-index: 15;
      background: var(--white);
    }

    .footer-left {
      flex: 1;
    }

    .footer-brand {
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.12em;
      color: var(--navy);
      margin-bottom: 10px;
    }

    .footer-copy {
      font-size: 13px;
      font-weight: 400;
      color: var(--text-muted);
      letter-spacing: 0.03em;
    }

    .footer-col {
      min-width: 120px;
    }

    .footer-col-label {
      font-size: 12px;
      font-weight: 400;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--navy);
      margin-bottom: 12px;
    }

    .footer-col-content {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.9;
    }

    .footer-col-content a {
      color: var(--text-muted);
      text-decoration: none;
      transition: color var(--transition);
      display: block;
    }
    .footer-col-content a:hover { color: var(--navy); }
    .footer-col-content a.ig-link {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      line-height: 1;
    }
    .footer-col-content a.ig-link svg {
      width: 17px; height: 17px;
      fill: none; stroke: currentColor;
      stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round;
      flex-shrink: 0;
    }

    /* ─── HOME: 미니 그리드 (Signal, Projects, Artists) ─── */
    .ov-signal-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 20px;
    }

    .ov-signal-card {
      cursor: pointer;
    }

    .ov-signal-card-img {
      width: 100%;
      aspect-ratio: 1;
      overflow: hidden;
      margin-bottom: 10px;
    }

    .ov-signal-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 500ms ease;
    }
    .ov-signal-card:hover img { transform: scale(1.04); }

    .ov-signal-card-title {
      font-size: 15px;
      font-weight: 400;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* projects 2열 */
    .ov-projects-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 20px;
    }

    .ov-project-card {
      cursor: pointer;
    }

    .ov-project-img {
      width: 100%;
      aspect-ratio: 4/3;
      overflow: hidden;
      margin-bottom: 10px;
    }

    .ov-project-img div {
      width: 100%;
      height: 100%;
      background-size: cover;
      background-position: center;
      transition: transform 500ms ease;
    }
    .ov-project-card:hover .ov-project-img div { transform: scale(1.03); }

    .ov-project-name {
      font-size: 17px;
      font-weight: 500;
      letter-spacing: -0.01em;
      color: var(--navy);
      margin-bottom: 3px;
      line-height: 1.35;
    }

    .ov-project-meta {
      font-size: 13px;
      font-weight: 400;
      color: var(--text-muted);
    }

    /* artists 목록 */
    .ov-artists-list {
      margin-top: 20px;
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 0;
    }

    .ov-artist-row {
      padding: 14px 0;
      border-bottom: 1px solid var(--border);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      transition: opacity var(--transition);
    }
    .ov-artist-row:hover { opacity: 0.55; }

    .ov-artist-name {
      font-size: 18px;
      font-weight: 500;
      letter-spacing: -0.01em;
      color: var(--navy);
    }

    .ov-artist-meta {
      font-size: 13px;
      font-weight: 400;
      color: var(--text-muted);
    }

    /* journal 목록 */
    .ov-journal-list {
      margin-top: 20px;
    }

    .ov-journal-row {
      display: grid;
      grid-template-columns: 90px 1fr auto;
      gap: 24px;
      align-items: baseline;
      padding: 16px 0;
      border-bottom: 1px solid var(--border);
      cursor: pointer;
      transition: opacity var(--transition);
    }
    .ov-journal-row:hover { opacity: 0.55; }

    .ov-journal-date {
      font-size: 12px;
      font-weight: 400;
      letter-spacing: 0.05em;
      color: var(--text-muted);
    }

    .ov-journal-title {
      font-size: 18px;
      font-weight: 500;
      letter-spacing: -0.01em;
      color: var(--navy);
      line-height: 1.4;
    }

    .ov-journal-cat {
      white-space: nowrap;
    }

    /* advisory 3열 미니 */
    .ov-advisory-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
      margin-top: 20px;
    }

    .ov-advisory-item {}

    .ov-advisory-num {
      margin-bottom: 8px;
    }

    .ov-advisory-name {
      font-size: 18px;
      font-weight: 500;
      letter-spacing: -0.01em;
      color: var(--navy);
      margin-bottom: 8px;
    }

    .ov-advisory-desc {
      font-size: 16px;
      font-weight: 400;
      color: var(--text-muted);
      line-height: 1.75;
    }

    /* ─── ADVISORY ─── */
    .advisory-intro {
      padding: 80px 40px 64px;
      max-width: 1200px;
      margin: 0 auto;
      border-bottom: 1px solid var(--border);
    }

    .advisory-tagline {
      font-size: 16px;
      font-weight: 400;
      color: var(--text-muted);
      max-width: 560px;
      line-height: 1.8;
      margin-top: 28px;
    }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      max-width: 1200px;
      margin: 64px auto;
      padding: 0 40px;
      border-top: 1px solid var(--border);
    }

    .service-card {
      padding: 48px 40px 48px 0;
      border-right: 1px solid var(--border);
    }

    .service-card:last-child {
      border-right: none;
    }

    /* 2×2 grid variant for Advisory page */
    .services-grid.grid-2 .service-card:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
    .services-grid.grid-2 .service-card:nth-child(2n) { border-right: none; }
    /* 왼쪽 열(홀수번째) 패딩 리셋 — :not(:first-child) 오버라이드 */
    .services-grid.grid-2 .service-card:nth-child(2n-1) { padding-left: 0; }

    .service-card:not(:first-child) {
      padding-left: 40px;
    }

    .service-number {
      margin-bottom: 24px;
    }

    .service-name {
      font-size: 22px;
      font-weight: 500;
      letter-spacing: -0.01em;
      color: var(--navy);
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .service-desc {
      font-size: 16px;
      font-weight: 400;
      line-height: 1.8;
      color: var(--text-muted);
    }

    .advisory-closing {
      max-width: 1200px;
      margin: 0 auto 80px;
      padding: 0 40px;
    }

    .advisory-closing p {
      font-size: 16px;
      font-weight: 400;
      line-height: 1.85;
      color: var(--text-muted);
      max-width: 640px;
    }

    .contact-link {
      display: inline-block;
      margin-top: 28px;
      font-size: 12px;
      font-weight: 400;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--navy);
      text-decoration: none;
      border-bottom: 1px solid var(--navy);
      padding-bottom: 2px;
      cursor: pointer;
    }

    /* ─── PROJECTS ─── */
    .projects-keywords {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      padding: 0 40px 48px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .project-keyword {
      font-size: 10px;
      font-weight: 400;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--text-muted);
      border: 1px solid var(--border);
      padding: 6px 14px;
    }

    .projects-categories-wrap {
      display: flex;
      flex-direction: column;
      gap: 60px;
      padding-bottom: 80px;
    }

    .projects-category-label {
      font-size: 11px;
      font-weight: 400;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--text-muted);
      padding-bottom: 16px;
      border-bottom: 1px solid var(--border);
      margin-bottom: 2px;
    }

    /* ─── ARTISTS ─── */
    .artists-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2px;
    }

    .artist-card {
      position: relative;
      aspect-ratio: 4 / 3;
      overflow: hidden;
      cursor: pointer;
      background: #1c1c1c;
    }

    .artist-card-img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: filter 320ms ease, transform 320ms ease;
    }

    .artist-card:hover .artist-card-img {
      filter: blur(5px) brightness(0.55);
      transform: scale(1.04);
    }

    .artist-card-overlay {
      position: absolute;
      inset: 0;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 16px;
      text-align: center;
      opacity: 0;
      transition: opacity 280ms ease;
    }

    .artist-card:hover .artist-card-overlay,
    .artist-card--noimg .artist-card-overlay {
      opacity: 1;
    }

    .artist-card-name {
      font-size: 14px;
      font-weight: 400;
      letter-spacing: 0.06em;
      color: #ffffff;
      line-height: 1.35;
      text-transform: uppercase;
    }

    .artist-card-meta {
      font-size: 11px;
      font-weight: 300;
      color: rgba(255,255,255,0.65);
      letter-spacing: 0.05em;
      margin-top: 5px;
    }

    /* 이미지 없는 카드: 항상 이름 표시, 미묘한 배경 */
    .artist-card--noimg {
      background: #222;
    }
    .artist-card--noimg .artist-card-name {
      color: rgba(255,255,255,0.75);
    }

    /* ─── ARTISTS / PROJECTS BLUR GATE ─── */
    .artists-gate,
    .projects-gate {
      position: relative;
      max-width: 1200px;
      margin: 0 auto;
      padding: 56px 40px 80px;
    }

    /* 블러 대상 — grid를 감싸는 래퍼 */
    .artists-gate-content {
      transition: filter 0.5s ease, opacity 0.5s ease;
    }
    .artists-gate-content.blurred {
      filter: blur(22px);
      opacity: 0.35;
      user-select: none;
      pointer-events: none;
    }

    /* 잠금 오버레이 — 뷰포트 고정 (내비게이션 아래)
       justify-content + padding-top positions content in upper viewport area
       so it sits above the footer even on short pages (mobile) */
    .artists-lock {
      position: fixed;
      top: 60px;
      left: 0;
      right: 0;
      bottom: 0;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
      padding-top: 15vh;
      gap: 20px;
      z-index: 10;
      opacity: 1;
      transition: opacity 0.4s ease;
      pointer-events: auto;
    }
    .artists-lock.hidden {
      opacity: 0;
      pointer-events: none;
    }
    /* Projects page has filter keywords below the page header;
       shift lock content lower to avoid overlapping them */
    #projectsLock {
      padding-top: 30vh;
    }
    .artists-lock-icon {
      font-size: 24px;
      letter-spacing: 0.15em;
      color: var(--navy);
      font-weight: 400;
      text-transform: uppercase;
    }
    .artists-lock-label {
      font-size: 12px;
      font-weight: 400;
      color: var(--text-muted);
      letter-spacing: 0.2em;
      text-transform: uppercase;
      text-align: center;
      line-height: 1.8;
    }
    .artists-lock-btn {
      font-size: 12px;
      font-weight: 400;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--navy);
      border: none;
      background: none;
      cursor: pointer;
      padding: 10px 0;
      border-bottom: 1px solid var(--navy);
      transition: opacity 0.2s;
    }
    .artists-lock-btn:hover { opacity: 0.5; }

    /* 비밀번호 모달 */
    .auth-modal-backdrop {
      position: fixed;
      inset: 0;
      background: rgba(255,255,255,0.85);
      backdrop-filter: blur(4px);
      z-index: 200;
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s ease;
    }
    .auth-modal-backdrop.open {
      opacity: 1;
      pointer-events: all;
    }
    .auth-modal {
      background: #fff;
      border: 1px solid var(--border);
      padding: 52px 56px 48px;
      width: 360px;
      max-width: calc(100vw - 48px);
    }
    .auth-modal-title {
      font-size: 13px;
      font-weight: 400;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--navy);
      margin-bottom: 8px;
    }
    .auth-modal-sub {
      font-size: 13px;
      font-weight: 400;
      color: var(--text-muted);
      letter-spacing: 0.04em;
      margin-bottom: 36px;
      line-height: 1.7;
    }
    .auth-modal-field {
      border: none;
      border-bottom: 1px solid #ccc;
      width: 100%;
      font-family: 'Rethink Sans', sans-serif;
      font-size: 16px;
      font-weight: 400;
      color: var(--navy);
      padding: 8px 0;
      background: transparent;
      outline: none;
      letter-spacing: 0.06em;
      margin-bottom: 32px;
      display: block;
      transition: border-color 0.2s;
    }
    .auth-modal-field:focus { border-color: var(--navy); }
    .auth-modal-error {
      font-size: 12px;
      font-weight: 400;
      color: #b00;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      margin-top: -24px;
      margin-bottom: 20px;
      min-height: 16px;
      transition: opacity 0.2s;
    }
    .auth-modal-actions {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .auth-modal-submit {
      font-size: 12px;
      font-weight: 400;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--navy);
      border: none;
      border-bottom: 1px solid var(--navy);
      background: none;
      cursor: pointer;
      padding: 6px 0;
      transition: opacity 0.2s;
    }
    .auth-modal-submit:hover { opacity: 0.5; }
    .auth-modal-cancel {
      font-size: 12px;
      font-weight: 400;
      color: var(--text-muted);
      letter-spacing: 0.1em;
      text-transform: uppercase;
      cursor: pointer;
      background: none;
      border: none;
      transition: opacity 0.2s;
    }
    .auth-modal-cancel:hover { opacity: 0.5; }

    /* ─── PRIVATE SALES ─── */
    .private-intro {
      padding: 80px 40px 64px;
      max-width: 1200px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 80px;
      border-bottom: 1px solid var(--border);
    }

    .private-text p {
      font-size: 17px;
      font-weight: 400;
      line-height: 1.9;
      color: var(--text-muted);
      margin-bottom: 20px;
    }

    .private-form {
      padding: 80px 40px 80px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .form-title {
      font-size: 22px;
      font-weight: 500;
      letter-spacing: -0.01em;
      color: var(--navy);
      margin-bottom: 48px;
    }

    .form-field {
      margin-bottom: 36px;
    }

    .form-field label {
      display: block;
      font-size: 12px;
      font-weight: 400;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--text-muted);
      margin-bottom: 10px;
    }

    .form-field input,
    .form-field textarea {
      width: 100%;
      max-width: 480px;
      border: none;
      border-bottom: 1px solid var(--border);
      background: transparent;
      font-family: 'Rethink Sans', sans-serif;
      font-size: 17px;
      font-weight: 400;
      color: var(--navy);
      padding: 8px 0 12px;
      outline: none;
      transition: border-color var(--transition);
    }

    .form-field input:focus,
    .form-field textarea:focus {
      border-bottom-color: var(--navy);
    }

    .form-field textarea {
      resize: none;
      height: 100px;
    }

    .form-submit {
      background: none;
      border: none;
      font-family: 'Rethink Sans', sans-serif;
      font-size: 12px;
      font-weight: 400;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: var(--navy);
      cursor: pointer;
      padding: 0;
      border-bottom: 1px solid var(--navy);
      padding-bottom: 3px;
      transition: opacity var(--transition);
    }

    .form-submit:hover { opacity: 0.6; }

    /* ─── SIGNAL ─── */
    .signal-intro {
      padding: 64px 40px 48px;
      max-width: 1200px;
      margin: 0 auto;
      border-bottom: 1px solid var(--border);
    }

    .signal-subtitle {
      font-size: 16px;
      font-weight: 400;
      color: var(--text-muted);
      margin-top: 12px;
      letter-spacing: 0.05em;
    }

    .signal-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      max-width: 1200px;
      margin: 56px auto 80px;
      padding: 0 40px;
    }

    .signal-card {
      cursor: pointer;
    }

    .signal-card-image {
      width: 100%;
      aspect-ratio: 1;
      position: relative;
      overflow: hidden;
      margin-bottom: 16px;
    }

    .signal-card-bg {
      width: 100%;
      height: 100%;
      transition: transform 500ms ease;
    }

    .signal-card:hover .signal-card-bg {
      transform: scale(1.04);
    }

    .signal-card-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(13,27,42,0.7) 0%, transparent 55%);
    }

    .signal-card-text {
      position: absolute;
      bottom: 16px;
      left: 16px;
      right: 16px;
      color: #fff;
    }

    .signal-issue {
      opacity: 0.7;
      margin-bottom: 6px;
    }

    .signal-card-headline {
      font-size: 17px;
      font-weight: 700;
      letter-spacing: 0;
      line-height: 1.3;
    }

    .signal-card-meta {
      font-size: 13px;
      font-weight: 400;
      color: var(--text-muted);
    }

    /* ─── NEWSLETTER INLINE SUBSCRIBE ─── */
    .subscribe-inline {
      grid-column: 1 / -1;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      padding: 44px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 40px;
    }

    .subscribe-inline-text .subscribe-label {
      font-size: 12px;
      font-weight: 400;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--text-muted);
      margin-bottom: 10px;
    }

    .subscribe-inline-text .subscribe-headline {
      font-size: 24px;
      font-weight: 500;
      letter-spacing: -0.01em;
      line-height: 1.35;
    }

    .subscribe-form {
      display: flex;
      align-items: center;
      border-bottom: 1px solid var(--navy);
      padding-bottom: 4px;
      flex-shrink: 0;
    }

    .subscribe-input {
      border: none;
      outline: none;
      font-family: 'Rethink Sans', sans-serif;
      font-size: 16px;
      font-weight: 400;
      color: var(--navy);
      background: transparent;
      width: 260px;
      padding: 4px 0;
    }

    .subscribe-input::placeholder { color: var(--text-muted); }

    .subscribe-btn {
      border: none;
      background: none;
      font-family: 'Rethink Sans', sans-serif;
      font-size: 13px;
      font-weight: 400;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--navy);
      cursor: pointer;
      padding: 4px 0 4px 20px;
      white-space: nowrap;
      transition: opacity var(--transition);
    }
    .subscribe-btn:hover { opacity: 0.5; }

    .subscribe-note {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 10px;
      letter-spacing: 0.03em;
    }

    /* Journal 페이지 내 인라인 subscribe (단일 컬럼) */
    .journal-subscribe {
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      padding: 40px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 40px;
    }

    /* ─── JOURNAL ─── */
    .journal-list {
      max-width: 1200px;
      margin: 0 auto 80px;
      padding: 0 40px;
    }

    .journal-item {
      display: grid;
      grid-template-columns: 100px 1fr auto;
      gap: 32px;
      align-items: baseline;
      padding: 36px 0;
      border-bottom: 1px solid var(--border);
      cursor: pointer;
      transition: opacity var(--transition);
    }

    .journal-item:hover { opacity: 0.65; }

    .journal-date {
      font-size: 13px;
      font-weight: 400;
      color: var(--text-muted);
    }

    .journal-title {
      font-size: 18px;
      font-weight: 500;
      letter-spacing: -0.01em;
      color: var(--navy);
      line-height: 1.45;
    }

    .journal-category {
      white-space: nowrap;
    }

    /* ─── ABOUT ─── */
    .about-body {
      max-width: 1200px;
      margin: 64px auto 80px;
      padding: 0 40px;
      display: grid;
      grid-template-columns: 1fr 320px;
      gap: 80px;
      align-items: start;
    }

    .about-text p {
      font-size: 16px;
      font-weight: 400;
      line-height: 1.85;
      color: var(--text-muted);
      margin-bottom: 24px;
      max-width: 580px;
    }

    .about-text p:first-of-type {
      font-size: 18px;
      color: var(--navy);
      font-weight: 400;
      line-height: 1.7;
    }

    .about-sidebar {}

    .sidebar-block {
      margin-bottom: 48px;
    }

    .sidebar-label {
      font-size: 12px;
      font-weight: 400;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--text-muted);
      margin-bottom: 16px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--border);
    }

    .sidebar-content {
      font-size: 16px;
      font-weight: 400;
      color: var(--navy);
      line-height: 1.8;
    }

    .sidebar-content a {
      color: var(--navy);
      text-decoration: none;
      border-bottom: 1px solid var(--border);
      padding-bottom: 1px;
      transition: border-color var(--transition);
    }

    .sidebar-content a:hover { border-color: var(--navy); }

    .sidebar-content a.ig-link {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-bottom: none;
      padding-bottom: 0;
    }
    .sidebar-content a.ig-link svg {
      width: 17px; height: 17px;
      fill: none; stroke: currentColor;
      stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round;
      flex-shrink: 0;
    }


    /* ─── SIGNAL card images ─── */
    .bg-s1 { background-image: url('assets/images/card_cover.png'); background-size: cover; background-position: center; }
    .bg-s2 { background-image: url('assets/images/card_2.png'); background-size: cover; background-position: center; }
    .bg-s3 { background-image: url('assets/images/card_4.png'); background-size: cover; background-position: center; }

    /* ─── RESPONSIVE ─── */
    @media (max-width: 1024px) {
      .services-grid { grid-template-columns: 1fr; border-top: none; }
      .service-card { padding: 40px 0; border-right: none; border-bottom: 1px solid var(--border); }
      .service-card:last-child { border-bottom: none; }
      .service-card:not(:first-child) { padding-left: 0; }
      .about-body { grid-template-columns: 1fr; gap: 56px; }
      .private-intro { grid-template-columns: 1fr; gap: 48px; }
    }

    @media (max-width: 768px) {
      nav { padding: 0 20px; }
      .nav-links { display: none; }
      .nav-hamburger { display: flex; }

      .container,
      .page-header,
      .home-sections,
      .artists-gate,
      .projects-gate,
      .signal-grid,
      .journal-list,
      .about-body,
      .private-intro,
      .private-form,
      .advisory-intro,
      .services-grid,
      .advisory-closing,
      .signal-intro { padding-left: 20px; padding-right: 20px; }

      /* HOME */
      .ov-row { grid-template-columns: 1fr; gap: 12px; padding: 36px 0; }
      .ov-headline { font-size: 22px; }
      .ov-signal-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
      .ov-advisory-grid { grid-template-columns: 1fr; gap: 20px; }
      .ov-artists-list { grid-template-columns: 1fr; }
      .ov-journal-row { grid-template-columns: 1fr; gap: 4px; }
      .ov-journal-cat { display: none; }
      .ov-projects-grid { grid-template-columns: 1fr; }
      .subscribe-inline { flex-direction: column; gap: 24px; align-items: flex-start; }
      .subscribe-form { width: 100%; }
      .subscribe-input { width: 100%; }

      /* HERO */
      .hero { aspect-ratio: 4/3; }
      .hero-content { left: 20px; bottom: 24px; right: 20px; }
      .hero-headline { font-size: 26px; max-width: 100%; }
      .hero-dots { right: 20px; }

      /* PAGES */
      .page-header { padding: 48px 20px 40px; }
      .page-title { font-size: 32px; }

      /* PROJECTS */
      .projects-keywords { padding: 0 20px 36px; }
      .projects-categories-wrap { gap: 40px; }

      /* ARTISTS */
      .artists-grid { grid-template-columns: repeat(2, 1fr); gap: 2px; }

      /* SIGNAL */
      .signal-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
      .signal-card-headline { font-size: 15px; }

      /* JOURNAL */
      .journal-item { grid-template-columns: 1fr; gap: 6px; padding: 24px 0; }
      .journal-category { display: none; }
      .journal-subscribe { flex-direction: column; gap: 20px; align-items: flex-start; }

      /* ADVISORY */
      .services-grid.grid-2 { grid-template-columns: 1fr; }
      .services-grid.grid-2 .service-card:nth-child(-n+2) { border-bottom: none; }
      .services-grid.grid-2 .service-card { border-bottom: 1px solid var(--border); border-right: none; }
      .services-grid.grid-2 .service-card:last-child { border-bottom: none; }

      /* PRIVATE SALES */
      .private-intro { padding: 48px 20px 40px; }
      .form-field input, .form-field textarea { max-width: 100%; }

      /* ABOUT */
      .about-body { grid-template-columns: 1fr; gap: 40px; padding-bottom: 60px; }

      /* DETAIL */
      .detail-header, .detail-body, .detail-back { padding-left: 20px; padding-right: 20px; }
      .detail-hero { aspect-ratio: 4/3; margin-top: 20px; }
      .detail-body p, .detail-body li { font-size: 16px; }

      /* FOOTER */
      footer { padding: 32px 20px; flex-direction: column; gap: 28px; align-items: flex-start; }
    }

    @media (max-width: 480px) {
      .signal-grid { grid-template-columns: 1fr; }
      .artists-grid { grid-template-columns: repeat(2, 1fr); }
      .ov-signal-grid { grid-template-columns: 1fr 1fr; gap: 10px; } /* 홈 signal은 모바일에서도 2×2 유지 */
      .hero-headline { font-size: 22px; }
      .subscribe-form { flex-direction: column; gap: 12px; align-items: flex-start; }
    }

    /* ─── DETAIL PAGE ─── */
    .detail-back {
      padding: 28px 40px 0;
      max-width: 1200px;
      margin: 0 auto;
    }

    .detail-back-btn {
      background: none;
      border: none;
      font-family: 'Rethink Sans', sans-serif;
      font-size: 13px;
      font-weight: 400;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--text-muted);
      cursor: pointer;
      padding: 0;
      transition: color var(--transition);
    }
    .detail-back-btn:hover { color: var(--navy); }

    .detail-hero {
      width: 100%;
      aspect-ratio: 16 / 7;
      background: var(--navy);
      background-size: cover;
      background-position: center;
      margin-top: 32px;
    }

    .detail-header {
      max-width: 720px;
      margin: 48px auto 0;
      padding: 0 40px;
    }

    .detail-label {
      font-size: 12px;
      font-weight: 400;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--text-muted);
      margin-bottom: 16px;
    }

    .detail-title {
      font-size: clamp(27px, 3.6vw, 48px);
      font-weight: 500;
      letter-spacing: -0.02em;
      line-height: 1.2;
      margin-bottom: 20px;
    }

    .detail-meta {
      font-size: 13px;
      color: var(--text-muted);
      letter-spacing: 0.04em;
      padding-bottom: 32px;
      margin-bottom: 40px;
      border-bottom: 1px solid var(--border);
    }

    .detail-body {
      max-width: 720px;
      margin: 0 auto 80px;
      padding: 0 40px;
    }

    /* Artist tab nav (mirrors Artlogic Overview/Biography/Works/Installation shots) */
    .artist-tab-nav {
      display: flex;
      gap: 32px;
      border-bottom: 1px solid var(--border);
      margin-bottom: 40px;
      flex-wrap: wrap;
    }
    .artist-tab-link {
      font-size: 13px;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--text-muted);
      padding: 0 0 14px 0;
      border-bottom: 2px solid transparent;
      margin-bottom: -1px;
      text-decoration: none;
      transition: color 0.15s, border-color 0.15s;
    }
    .artist-tab-link:hover {
      color: var(--navy);
    }
    .artist-tab-link.active {
      color: var(--navy);
      border-bottom-color: var(--navy);
    }
    .artist-tab-panel {
      display: none;
    }
    .artist-tab-panel.active {
      display: block;
    }
    .artist-tab-empty {
      opacity: 0.55;
      font-size: 15px;
      letter-spacing: 0.02em;
    }
    .artist-tab-gallery {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
      margin-top: 4px;
    }
    .artist-tab-gallery img {
      width: 100%;
      height: auto;
      display: block;
      background: #f4f4f4;
    }
    .artist-external-link {
      margin-top: 56px;
      padding-top: 32px;
      border-top: 1px solid var(--border);
      font-size: 13px;
      letter-spacing: 0.06em;
    }
    .artist-external-link a {
      color: var(--text-muted);
      text-decoration: none;
      border-bottom: 1px solid var(--border);
      padding-bottom: 2px;
      transition: color 0.15s, border-color 0.15s;
    }
    .artist-external-link a:hover {
      color: var(--navy);
      border-bottom-color: var(--navy);
    }

    .detail-body p {
      font-size: 18px;
      font-weight: 400;
      line-height: 1.8;
      color: var(--navy);
      margin-bottom: 24px;
    }

    .detail-body h2 {
      font-size: 23px;
      font-weight: 500;
      letter-spacing: -0.01em;
      margin: 48px 0 16px;
      line-height: 1.3;
    }

    .detail-body h3 {
      font-size: 13px;
      font-weight: 400;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--text-muted);
      margin: 36px 0 12px;
    }

    .detail-body .detail-h4 {
      font-size: 16px;
      font-weight: 500;
      letter-spacing: -0.01em;
      margin: 28px 0 10px;
    }

    .detail-body ul,
    .detail-body ol {
      margin: 0 0 24px 0;
      padding-left: 0;
      list-style: none;
    }

    .detail-body li {
      font-size: 18px;
      line-height: 1.75;
      margin-bottom: 10px;
      padding-left: 20px;
      position: relative;
    }
    .detail-body ul li::before {
      content: '•';
      position: absolute;
      left: 0;
      color: var(--navy);
    }
    .detail-body ol {
      counter-reset: ol-counter;
    }
    .detail-body ol li {
      counter-increment: ol-counter;
    }
    .detail-body ol li::before {
      content: counter(ol-counter) '.';
      position: absolute;
      left: 0;
      color: var(--text-muted);
      font-size: 15px;
    }

    .detail-body .detail-img {
      width: 100%;
      aspect-ratio: 4/3;
      object-fit: cover;
      display: block;
      margin: 40px 0 8px;
      background: var(--border);
    }

    .detail-table-wrap {
      overflow-x: auto;
      margin: 32px 0 24px;
    }
    .detail-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 16px;
    }
    .detail-table th {
      font-weight: 500;
      font-size: 12px;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--text-muted);
      text-align: left;
      padding: 10px 16px 10px 0;
      border-bottom: 2px solid var(--border);
    }
    .detail-table td {
      padding: 12px 16px 12px 0;
      border-bottom: 1px solid var(--border);
      color: var(--navy);
      vertical-align: top;
      line-height: 1.6;
    }
    .detail-table tr:last-child td { border-bottom: none; }

    .detail-body .detail-figure {
      margin: 40px 0 32px;
    }
    .detail-body .detail-figure .detail-img {
      margin: 0 0 8px;
    }
    .detail-body .detail-img-caption {
      font-size: 12px;
      color: var(--text-muted);
      letter-spacing: 0.04em;
      margin-bottom: 0;
      line-height: 1.6;
    }

    @media (max-width: 768px) {
      .detail-header, .detail-body, .detail-back { padding-left: 24px; padding-right: 24px; }
      .detail-hero { aspect-ratio: 4/3; }
    }

/* ─── A11Y: Focus, Reduced Motion ─── */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--navy);
  outline-offset: 3px;
  border-radius: 1px;
}
.artist-card:focus-visible,
.signal-card:focus-visible,
.ov-signal-card:focus-visible,
.ov-project-card:focus-visible,
.ov-artist-row:focus-visible,
.ov-journal-row:focus-visible,
.journal-item:focus-visible,
.hero-slide:focus-visible {
  outline-offset: 4px;
}
.hero-dot:focus-visible {
  outline-offset: 4px;
}
/* Links that aren't decorated but are interactive */
a[role="button"],
.nav-links a,
.nav-drawer a,
.read-more,
.ov-section-tag {
  cursor: pointer;
}

/* Skip link for keyboard users */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 12px;
  background: var(--navy);
  color: #fff;
  padding: 10px 16px;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  z-index: 9999;
  text-decoration: none;
}
.skip-link:focus {
  left: 12px;
}

/* Hamburger is a button now */
button.nav-hamburger {
  border: none;
  background: transparent;
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
@media (max-width: 768px) {
  button.nav-hamburger { display: flex; }
}

/* Reduced-motion: kill all motion-heavy effects */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .hero-track { transition: none !important; }
  .hero-slide-bg { transform: none !important; transition: none !important; }
  .hero-progress { display: none; }
  .ov-row { opacity: 1 !important; transform: none !important; }
  .ov-row.is-past { opacity: 1 !important; transform: none !important; }
}

/* ─── Visually hidden util ─── */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ─── New: button-based hero dots ─── */
.hero-dots button.hero-dot {
  width: 7px;
  height: 7px;
  padding: 0;
  border: none;
  background: rgba(255,255,255,0.4);
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.3s, transform 0.3s;
}
.hero-dots button.hero-dot.active {
  background: #fff;
  transform: scale(1.3);
}

/* ─── New: hero slide as focusable region ─── */
.hero-slide { cursor: pointer; }
.hero-slide:focus-visible {
  outline: 2px solid #fff;
  outline-offset: -6px;
}

/* ─── New: convert clickable cards to <button> visual reset ─── */
button.signal-card,
button.journal-item,
button.artist-card,
button.ov-signal-card,
button.ov-journal-row,
button.ov-project-card,
button.ov-artist-row {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
  width: 100%;
  display: block;
}
button.ov-journal-row { display: grid; }
button.signal-card { display: block; }
button.artist-card { display: block; }

/* Section tag link reset */
a.ov-section-tag {
  text-decoration: none;
  display: inline-block;
}